Carol-Anne is an environmental scientist studying the heights of red oak trees in a nearby marsh and along a nearby river. She randomly selects 10 red oak trees from each habitat and records the height of each tree. She determines the mean and sample standard deviation for each sample of trees. She then calculates the z-score for a 12 foot tall tree growing in the marsh to be z=−1.46 and the z-score for a 12 foot tall tree growing along the river is z=−1.32. Would it be be more unusual to find a 12-foot tall treegrowing in the marsh, or along the river?
Carol-Anne is an environmental scientist studying the heights of red oak trees in a nearby marsh and along a nearby river. She randomly selects 10 red oak trees from each habitat and records the height of each tree. She determines the mean and sample standard deviation for each sample of trees. She then calculates the z-score for a 12 foot tall tree growing in the marsh to be z=−1.46 and the z-score for a 12 foot tall tree growing along the river is z=−1.32. Would it be be more unusual to find a 12-foot tall treegrowing in the marsh, or along the river?
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Carol-Anne is an environmental scientist studying the heights of red oak trees in a nearby marsh and along a nearby river. She randomly selects 10 red oak trees from each habitat and records the height of each tree.
She determines the mean and sample standard deviation for each sample of trees. She then calculates the z-score for a 12 foot tall tree growing in the marsh to be z=−1.46 and the z-score for a 12 foot tall tree growing along the river is z=−1.32.
Would it be be more unusual to find a 12-foot tall treegrowing in the marsh, or along the river?
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